The majestic Mastiff, often dubbed the “gentle giant” of the canine world, boasts an impressive size even as a pup. This breed’s growth journey, from a cuddly little furball to a regal and powerful adult, is truly a sight to behold. Understanding the average weights and heights of Mastiff puppies at various developmental stages is crucial for owners. This insight ensures their beloved companions are on a healthy growth trajectory. In this article, we’ll delve into the fascinating world of Mastiff puppy growth, providing invaluable benchmarks for both prospective and seasoned owners alike. Join us as we chart their remarkable transformation.
Male Mastiff Weights & Heights by Age
The following chart contains the average weights and heights of male Mastiff from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Mastiff’s growth.
| Age | Weight (pounds) | Weight (kg) | Height (inches) | Height (cm) |
|---|---|---|---|---|
| Newborn | 1-2 | 0.45-0.9 | 4-5 | 10-13 |
| 1 Month | 15-20 | 6.8-9.1 | 9-10 | 23-25 |
| 2 Months | 30-40 | 13.6-18.1 | 12-14 | 30-36 |
| 3 Months | 50-60 | 22.7-27.2 | 16-18 | 41-46 |
| 4 Months | 70-80 | 31.8-36.3 | 20-22 | 51-56 |
| 5 Months | 90-100 | 40.8-45.4 | 23-25 | 58-64 |
| 6 Months | 110-125 | 49.9-56.7 | 26-28 | 66-71 |
| 8 Months | 130-145 | 59-65.8 | 28-30 | 71-76 |
| 10 Months | 145-160 | 65.8-72.6 | 29-31 | 74-79 |
| 12 Months | 160-175 | 72.6-79.4 | 30-32 | 76-81 |
| 2 Years | 190-230 | 86.2-104.3 | 30-33 | 76-84 |
| 3 Years | 200-240 | 90.7-108.9 | 30-34 | 76-86 |
Female Mastiff Weights & Heights by Age
The following chart contains the average weights and heights of female Mastiff from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your Mastiff’s growth.
| Age | Weight (pounds) | Weight (kg) | Height (inches) | Height (cm) |
|---|---|---|---|---|
| Newborn | 1-1.5 | 0.45-0.68 | 3-4 | 8-10 |
| 1 Month | 12-18 | 5.4-8.2 | 8-9 | 20-23 |
| 2 Months | 25-35 | 11.3-15.9 | 11-13 | 28-33 |
| 3 Months | 40-50 | 18.1-22.7 | 14-16 | 36-41 |
| 4 Months | 55-65 | 24.9-29.5 | 18-20 | 46-51 |
| 5 Months | 70-85 | 31.8-38.6 | 20-22 | 51-56 |
| 6 Months | 85-100 | 38.6-45.4 | 23-25 | 58-64 |
| 8 Months | 100-115 | 45.4-52.2 | 24-26 | 61-66 |
| 10 Months | 110-125 | 49.9-56.7 | 25-27 | 64-69 |
| 12 Months | 120-140 | 54.4-63.5 | 26-28 | 66-71 |
| 2 Years | 150-185 | 68-84 | 27-29 | 69-74 |
| 3 Years | 160-200 | 72.6-90.7 | 27-30 | 69-76 |
These tables are based on general guidelines and can vary greatly depending on individual dogs. Always consult with a veterinarian or professional breeder for more specific information about your pet’s growth and development.
FAQs about a Mastiff Puppy’s Growth and Development
- How big will my Mastiff puppy get when fully grown? Mastiffs are one of the largest dog breeds, with males weighing between 160-230 pounds and females ranging from 120-170 pounds on average. Their height can vary but is typically between 27-33 inches. The exact size of your Mastiff will depend on genetics, diet, and overall health.
- How fast will my Mastiff puppy grow? Mastiffs grow rapidly during their first year but will continue to fill out until they are around 2-3 years old. Regular check-ups with a vet will ensure your pup is on the right growth trajectory.
- Is it normal for my Mastiff to gain weight quickly? Yes, Mastiffs experience significant weight gain, especially in the first 6-12 months. However, it’s essential to ensure they are not becoming overweight. Regular vet visits can help determine if their weight gain is healthy.
- How much should I feed my Mastiff puppy? Mastiff puppies have large appetites to support their rapid growth. Consult your vet to determine the right amount and type of food, as overfeeding can lead to health issues.
- When will my Mastiff puppy stop growing? While they might reach their full height by 1-1.5 years, Mastiffs continue to “fill out” and gain muscle mass until they’re around 2-3 years old.
- Is joint health a concern for growing Mastiffs? Absolutely. Due to their rapid growth, it’s crucial to monitor your Mastiff’s joint health. Offering a balanced diet, suitable supplements, and avoiding strenuous activities can help protect their joints.
- What are the signs of growth plate issues in Mastiffs? If your Mastiff shows signs of lameness, discomfort, or swelling around the joints, it may indicate a growth plate issue. Consult a veterinarian if you observe these signs.
- How do I ensure my Mastiff’s bones are developing properly? Provide them with a balanced diet, and consider supplements like glucosamine. It’s also essential to avoid excessive jumping or rough play to protect their bones.
- Do female Mastiffs grow at the same rate as males? No, female Mastiffs tend to be smaller than their male counterparts and may grow at a slightly slower pace.
- Are there any specific health concerns for growing Mastiffs? Yes, Mastiffs are prone to certain health issues, such as hip dysplasia, elbow dysplasia, and certain heart conditions. Regular vet check-ups can help catch and address these concerns early.
- Is it normal for my Mastiff puppy to look “lanky” during growth spurts? Yes, Mastiffs often go through “awkward” stages where they might look lanky or disproportionate. They’ll typically fill out with time.
- Should I adjust my Mastiff’s diet as they grow? Absolutely. As your Mastiff grows and their nutritional needs change, you should adjust their food intake and diet composition accordingly.
- How can I ensure my Mastiff has a healthy coat as they grow? Offering a balanced diet with omega fatty acids and regular grooming can help maintain a healthy, shiny coat.
- Is exercise important for my growing Mastiff? Yes, regular exercise promotes healthy growth. However, avoid overly strenuous activities to protect their joints.
- Do Mastiffs have sensitive stomachs during their growth phase? Some Mastiffs can have sensitive stomachs. It’s essential to provide a consistent, high-quality diet and monitor for any signs of digestive upset.
- Should I be concerned about bloat in my growing Mastiff? Bloat is a concern for many large breeds, including Mastiffs. Ensure they don’t eat too quickly and avoid rigorous exercise immediately after eating.
- Can I train my Mastiff while they’re still growing? Definitely! In fact, early training is essential for large breeds to instill good habits and ensure they’re manageable as they grow.
- Do Mastiffs need special bedding during their growth phase? A supportive bed can help protect your Mastiff’s joints as they grow. Look for orthopedic dog beds for optimal support.
- Will neutering or spaying affect my Mastiff’s growth? Neutering or spaying can have minor effects on a dog’s growth, especially if done very early. Consult with your vet about the best time to spay or neuter your Mastiff.
- How often should I see the vet during my Mastiff’s growth phase? Regular vet visits, especially during the rapid growth phase in the first year, are crucial. This ensures your Mastiff is growing appropriately and helps catch any potential health issues early.
Toledo, United States.
